package com.yuandengta.yomall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * 缓存配置 {@link CacheConfig}
 *
 * @author Kevin
 * @email: 178676392@qq.com
 */
@EnableConfigurationProperties(CacheProperties.class)
@EnableCaching
@Configuration
public class CacheConfig {

    /**
     * Redis 缓存配置
     * @param cacheProperties
     * @return
     */
    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        // 设置key
        config = config.serializeKeysWith(
                RedisSerializationContext.SerializationPair.fromSerializer(
                        new StringRedisSerializer()));
        // 设置value值返回json
        config = config.serializeValuesWith(
                RedisSerializationContext.SerializationPair.fromSerializer(
                        new GenericJackson2JsonRedisSerializer()));

        // 将配置文件中的所有配置生效
        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
        }
        if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
